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Preliminary experiments on the use of colored glass beads to help determine the movement and home range of the collared peccary (Pecari tajacu) in the Tucson Mountains, Pima County, Arizona, are reported. Colored glass beads were fed to a dog, a captive gray for (Urocyon cinereoargenteus), and captive peccaries. The captive peccaries passed the majority of the beads in 36-48 hours, but small numbers appeared in the droppings for up to 18 days. Wild trapped peccaries were then force-fed three colors of beads at three different stations on the study area. Some 200 vials of beads were administered to 46 individuals involved in 69 trappings. Beads were found in droppings at 9 of 24 scat stations within the ranges of the herd.
The Journal of Wildlife Management © 1963 Wiley